Question: What is George Blanda's speciality as a member of the sports team, Oakland Raiders
Paraphrase: which one is the speciality for George Blanda's as a member of the sports team, Oakland Raiders
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q980691 p:P54 ?s . ?s ps:P54 wd:Q324523 . ?s pq:P413 ?value}